| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 04/08/2009 | CN100475728C Integral synchronous denitrification dephosphorizing bioreactor |
| 04/08/2009 | CN100475727C Double side diverting and hydraulically circular clarifying waste water treating method |
| 04/08/2009 | CN100475721C Rise and fall artificial floating floor of plants for biological treating sewage, preparation method and method of application |
| 04/08/2009 | CN100475720C Medium composite type artificial wetland sewage processing system and method |
| 04/08/2009 | CN100475719C Adjustable self-flowing diffluence type ring-shape oxidization trench |
| 04/08/2009 | CN100475718C Method and apparatus for removing nitrogen |
| 04/08/2009 | CN100475717C Alternate aerobic-anaerobic completely mixing active sludge process |
| 04/08/2009 | CN100475716C Anaerobic bioreacto |
| 04/08/2009 | CN100475715C Sewage treatment system |
| 04/08/2009 | CN100475714C Sequential batch reactor with biofilm configuration for treating complex chemical and pharmaceutical effluent |
| 04/08/2009 | CN100475713C Nitrating method and device and waste water processor |
| 04/08/2009 | CN100475712C Functional biomembrane carrier, preparation method and use thereof |
| 04/07/2009 | US7514110 Talaromyces xylanases |
| 04/07/2009 | US7513999 Contacting of the biosolids and dissolved ozone in a plug flow reactor, in which the primary contact and reaction of the oxidant (dissolved ozone) and the biosolids occurs; improved treatment of activated sludge; sewage treatment |
| 04/07/2009 | US7513998 Eliminating aerobic microorganisms that could be harmful if released into an environment in ballast tank of ocean-going vessels by applying a vacuum directly to an existing vent of the water tank while adding harmless living organisms to consume dissolved oxygen and food sources for the organisms |
| 04/07/2009 | US7513997 Recirculating wastewater evapotranspiration and disinfection system |
| 04/07/2009 | US7513995 Air driven particle recirculator for a septic tank outlet baffle or filter assembly |
| 04/07/2009 | US7513994 Aeration vessel and aerator assembly for use in a wastewater treatment system |
| 04/02/2009 | WO2009042725A1 Systems and methods for ballasting covers for gas-holding sludge digestors |
| 04/02/2009 | WO2009041015A1 Water treatment equipment and method of water treatment |
| 04/02/2009 | WO2009040559A2 A method of remediating contaminated water and apparatus for the same |
| 04/02/2009 | WO2009040446A1 Organic de-icer removal |
| 04/02/2009 | WO2009039861A1 Disc type filtration device with aeration plates |
| 04/01/2009 | EP2042473A2 Compound and method for biologically denitrifying waste water |
| 04/01/2009 | EP2042231A1 Aeration device |
| 04/01/2009 | EP2042229A1 Reactor unit and reactor |
| 04/01/2009 | EP2041035A1 Reactor comprising a supply distribution system for anaerobic waste water treatment |
| 04/01/2009 | EP2041034A1 Apparatus having a bioreactor and membrane filtration module for treatment of an incoming fluid |
| 04/01/2009 | EP2041033A2 Robotic pool cleaner with internal ultraviolet water sterilization |
| 04/01/2009 | EP2040812A1 A method and device for purifying wastewater |
| 04/01/2009 | EP2040537A2 Process and installation for treating an aqueous effluent for the purpose of extracting at least one dissolved gaseous compound therefrom; application to aquaculture in a recirculated aqueous environment |
| 04/01/2009 | EP1618072B1 Method and device for the treatment of flowable media by means of a filter reactor |
| 04/01/2009 | CN201214783Y Ecological protecting wall of elevated plain pre-dam |
| 04/01/2009 | CN201214646Y Tubular microporous tube aeration apparatus |
| 04/01/2009 | CN201214645Y Novel V-shaped strip type microporous tube aeration apparatus |
| 04/01/2009 | CN201214644Y V-shaped microporous tube aeration apparatus employing adjustable partial pressure joint |
| 04/01/2009 | CN201214643Y Blower fan or oxygenating pump with both sides setting V shaped microporous tube aeration apparatus |
| 04/01/2009 | CN201214642Y Microporous tube aeration apparatus employing adjustable partial pressure joint |
| 04/01/2009 | CN201214641Y Microporous tube with unequal aperture and density |
| 04/01/2009 | CN101400610A Water purifying apparatus, water supply system, and pump device |
| 04/01/2009 | CN101397545A O-nitrobenzaldehyde degrading bacteria and use thereof |
| 04/01/2009 | CN101397179A Double film dephosphorization system and dephosphorization method |
| 04/01/2009 | CN101397178A Livestock and poultry raising sewage disposal process and disposal system thereof |
| 04/01/2009 | CN101397177A Treatment and recovery method of F-T synthesis reaction water |
| 04/01/2009 | CN101397176A Integrated auto-return multi-stage biochemical wastewater treatment device with mud scraper |
| 04/01/2009 | CN101397172A Circulating water shrimp cultured water treatment method and system |
| 04/01/2009 | CN101397171A Camp sewage processing method |
| 04/01/2009 | CN101397170A Sewage treatment apparatus |
| 04/01/2009 | CN101397169A 带状扩散器 Strip diffuser |
| 04/01/2009 | CN101397168A Method for decelerating membrane pollution by adding magnetic ferrite powder |
| 04/01/2009 | CN101397167A Sludge substrate ecological floating island and construction method |
| 04/01/2009 | CN101397166A Target loop type ecological restoration for natural water body drinking water sources and water quality improvement technique |
| 04/01/2009 | CN100473616C Overlay sewage biochemical reactor |
| 04/01/2009 | CN100473615C Integral film immobilization bioreactor for waste water treatment and operation method thereof |
| 03/31/2009 | US7510656 Waste water treatment method |
| 03/31/2009 | US7510655 wastewater influent is mixed with a denitrified-mixed liquor under anaerobic conditions before being mixed with recycled activated sludge in subsequent aeration zones |
| 03/31/2009 | US7510649 Top loading vertical flow submerged bed wastewater treatment system |
| 03/31/2009 | CA2472464C Decomposition device of organic waste and automatic cleaning system thereof |
| 03/26/2009 | WO2009017306A3 Advanced water reclamation method and system thereof |
| 03/26/2009 | US20090078648 Method for purifying effluent in an anaerobic reactor |
| 03/26/2009 | US20090078646 Conditioning System for Activated Sludge Wastewater Treatment Processes |
| 03/26/2009 | US20090078645 Plant Capable of Accumulating Inorganic Phosphate at High Level and Use of the Plant |
| 03/26/2009 | US20090078644 Membrane bags with seamless membrane substance, uses thereof, filtration units therewith and manufacturing processes |
| 03/25/2009 | EP2039659A1 Inclusive immobilization support, wastewater disposal apparatus and wastewater disposal method using the inclusive immobilization support |
| 03/25/2009 | EP2038114A2 Method for removing volatile organic compounds (vocs) from an air stream |
| 03/25/2009 | EP1599420A4 Sewage treatment system |
| 03/25/2009 | EP1487746A4 Pre- and post-treatment system and method for periphyton filtration using ozone |
| 03/25/2009 | CN201212029Y Integrated treatment device of retting hemp waste water |
| 03/25/2009 | CN201212019Y Cage type pollutant treatment device |
| 03/25/2009 | CN101395091A Pure oxygen aeration system for wastewater treatment |
| 03/25/2009 | CN101392245A Preparation and application of flocculating alcaligenes faecalis fixed pellet |
| 03/25/2009 | CN101391856A Aerobic biomineralization method of bromamine acid |
| 03/25/2009 | CN101391855A Method for treating rural disperse sewage by using high load vermibiofilter |
| 03/25/2009 | CN101391854A Treatment process of printing and dyeing wastewater and chemical wastewater and structures thereof |
| 03/25/2009 | CN101391853A Chemical wastewater recovery processing technique and apparatus |
| 03/25/2009 | CN101391852A Processing method of polychloroethylene (PVC) centrifugal mother liquor waste water |
| 03/25/2009 | CN101391851A Treatment process of p toluidine-containing high concentration refractory organic wastewater |
| 03/25/2009 | CN101391850A Chlorobenzene and nitrochlorobenzene production waste water microbial treatment method |
| 03/25/2009 | CN101391842A Control and protection device of aeration aerating machine with wind and solar mutual-complementing power supply |
| 03/25/2009 | CN101391841A High-load angleworm bio-filter for processing rural decentralized wastewater |
| 03/25/2009 | CN101391840A Artificial soil construction method of ecological wetland |
| 03/25/2009 | CN101391839A Aerobic sludge age control device for sewage disposal plant and method |
| 03/25/2009 | CN101391838A Ammonia nitrogen concentration control apparatus and technology for sewage disposal plant effluent |
| 03/25/2009 | CN101391837A Method for implementing sludge decrement by using municipal sewage pipe network |
| 03/25/2009 | CN101391836A Anaerobic biological treatment apparatus |
| 03/25/2009 | CN101391835A Multifunctional biological film fluidized bed and operation mode thereof |
| 03/25/2009 | CN101391834A Non-even aerating integrated sewage water advanced treatment apparatus |
| 03/25/2009 | CN101391833A Filter tank type membrane bioreactor |
| 03/25/2009 | CN100471801C Domestic sewage resource treatment process and device with zero discharge of biological sludge |
| 03/25/2009 | CN100471800C Integrated device for treating domestic sewage on fluidized bed |
| 03/25/2009 | CN100471799C Integrated treatment device for industrial waste water |
| 03/25/2009 | CN100471798C Highly effective waste water treatment technique |
| 03/25/2009 | CN100471797C Anaerobe and pressure waste water treatment method and device |
| 03/24/2009 | US7507342 Method and apparatus for treatment of wastewater |
| 03/24/2009 | US7507341 Method of and apparatus for converting biological materials into energy resources |
| 03/19/2009 | WO2009035699A1 Water treatment bioreactor using hollow filaments |
| 03/19/2009 | WO2009034635A1 Process for producing netlike contact body element, and rotating circle type netlike contact body |
| 03/19/2009 | WO2009033291A1 Wastewater treatment |
| 03/19/2009 | WO2009033271A1 Apparatus for waste water treatment |
| 03/19/2009 | WO2009014346A3 Plant for aerobic and anaerobic digestion treatment by pfr |